package demo0506;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class Test {
    public static void main(String[] args)throws IOException{
        String data="劳动节快乐";
        FileOutputStream outputStream=new FileOutputStream("1.txt");
        byte[] bytes=data.getBytes();
        outputStream.write(bytes);
        FileInputStream inputStream=new FileInputStream("1.txt");
        byte[]buffer=new byte[1024];
        StringBuilder conten=new StringBuilder();
        int lengh;
        while ((lengh=inputStream.read(buffer))!=-1){
            conten.append(new String(buffer,0,lengh, StandardCharsets.UTF_8));

        }
        System.out.println(conten.toString());
    }
}

